CN113210254B

CN113210254B - Vibration screening equipment for cement processing and screening method thereof

Info

Publication number: CN113210254B
Application number: CN202110548668.XA
Authority: CN
Inventors: 刘永明; 任悦云; 渠毓林; 赵庆卫; 王文宽
Original assignee: Shanxi Shuangliang Dingxin Cement Co ltd
Current assignee: Shanxi Shuangliang Dingxin Cement Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-09-20
Anticipated expiration: 2041-05-19
Also published as: CN113210254A

Abstract

The invention relates to the technical field of cement processing, in particular to a vibrating screening device for cement processing, which comprises a shell, a screen hole group and a support frame, wherein the support frame is fixedly connected to the shell; the invention further provides a cement processing and screening method of the vibration screening equipment for cement processing. The invention has the characteristics of avoiding the blockage of the sieve pores and being beneficial to the sieving speed.

Description

Vibration screening equipment for cement processing and screening method thereof

Technical Field

The invention relates to the technical field of cement processing, in particular to a vibration screening device for cement processing and a cement processing screening method thereof.

Background

During the cement production process, most raw materials, such as limestone, clay, iron ore, coal, etc., are crushed. Limestone is the raw material with the largest consumption for producing cement, and the granularity after mining is larger and the hardness is higher, so the crushing of limestone plays an important role in the material crushing of cement plants. After the limestone is crushed, the limestone needs to be screened, so that the crushed unqualified limestone particles are screened out. When carrying out the screening, adopt the sieve mesh to sieve, but when the screening, the granule that limestone can appear differs little with the sieve mesh, leads to the granule to block up the mesh, because the jam of sieve mesh, can lead to the sieve mesh quantity that switches on to reduce when the screening, can influence the speed of screening, when clearing up the sieve mesh in the later stage simultaneously, relies on the manual work to clear up one by one, also extravagant manpower easily.

Disclosure of Invention

The invention aims to solve the defects that screen holes are easy to be blocked and screening speed is influenced in the prior art, and provides a vibrating screening device for cement processing and a cement processing and screening method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the vibrating screening equipment for cement processing and the cement processing screening method thereof are designed, and the vibrating screening equipment comprises a shell, a screen hole group and a support frame, wherein the support frame is fixedly connected to the shell, a plurality of screen hole groups are arranged on the circumference of the bottom wall of the shell at equal intervals, a conduction mechanism is arranged below the screen hole groups, and a rotating mechanism is arranged above the screen hole groups;

the rotating mechanism comprises a rotating shaft, a motor, a base and a plurality of stirring rollers, the rotating shaft is rotatably connected with the shell through a bearing, the stirring rollers are connected to the rotating shaft through a limiting mechanism, the base is fixedly connected to the supporting frame and fixedly connected with the motor, and an output shaft of the motor is in transmission connection with the motor through the bearing;

the conduction mechanism comprises a telescopic rod, a movable plate and conduction columns, wherein the movable plate is equidistantly and fixedly connected with a plurality of conduction columns, the conduction columns are located under the sieve pore group, the number of the conduction columns is equal to that of the sieve pores in the sieve pore group, the movable plate is fixedly connected with the telescopic rod, the telescopic rod is provided with a connecting mechanism, and the movable plate is in transmission connection with the rotating shaft through a transmission mechanism.

Preferably, the transmission mechanism comprises an incomplete gear, a connecting sleeve and a plurality of connecting teeth, the incomplete gear is fixedly connected to the rotating shaft, the connecting sleeve is fixedly connected with the moving plate, the connecting teeth are fixedly connected to the inner annular wall of the connecting sleeve, and the connecting teeth are meshed with the incomplete gear.

Preferably, the lower end of the shell is fixedly connected with a dustproof sleeve, and the inner diameter of the dustproof sleeve is larger than the outer diameter of the connecting sleeve.

Preferably, the connecting mechanism comprises a rotating plate and a thrust ball bearing, an inner axial surface of the thrust ball bearing is fixedly connected with the base, an outer axial surface of the thrust ball bearing is fixedly connected with the rotating plate, and the rotating plate is fixedly connected with the telescopic rod.

Preferably, the rotating shaft is fixedly connected with a dust cover, the dust cover is located right above the motor, the upper end of the dust cover is of a circular truncated cone-shaped structure, and the lower end of the dust cover is of a cylindrical structure.

Preferably, the limiting mechanism comprises a limiting edge and a limiting sleeve, the outer annular wall of the limiting sleeve is fixedly connected with the plurality of stirring rollers, the limiting edge is fixedly connected to the rotating shaft, a limiting groove is formed in the inner annular wall of the limiting sleeve, and the limiting edge is slidably arranged in the limiting groove.

The invention preferably provides a cement processing and screening method of the vibration screening equipment for cement processing, which comprises the following steps:

s1, putting the crushed limestone into the shell;

s2, turning on the motor to enable the motor to drive the rotating shaft to rotate, enabling the rotating shaft to drive the stirring roller to rotate, and screening limestone;

s3, when screening is carried out, the telescopic rod drives the moving plate to move, the conduction column is inserted into the sieve holes to be dredged, then the telescopic rod is reset, the transmission mechanism drives the moving plate to rotate, and the conduction column is rotated to be right below the plug of the next sieve hole group;

and S4, repeating the step S3 until the screening is finished.

The invention provides a vibration screening device for cement processing and a cement processing screening method thereof, which have the beneficial effects that: when carrying out the screening, remove through the telescopic link, drive and switch on the post rebound, play the effect of mediation to the sieve mesh, avoided the jam of sieve mesh, carry out intermittent type driven effect through slewing mechanism simultaneously, make and switch on the below that the post is located next screening group to switch on different sieve mesh groups, guarantee switching on of the sieve mesh in the screening process, thereby guaranteed the speed of screening, also saved the manpower when switching on.

Drawings

FIG. 1 is a first perspective view of a vibratory screening apparatus for cement processing and a method for screening cement processing according to the present invention;

FIG. 2 is a second perspective view of the vibrating screening device for cement processing and the cement processing screening method thereof according to the present invention;

FIG. 3 is a third perspective view of the vibrating screening device for cement processing and the cement processing screening method thereof according to the present invention;

FIG. 4 is a front view of a vibratory screening apparatus for cement processing and a method of screening for cement processing according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1 of a vibratory screening apparatus for use in cement manufacture and a method of screening for use in cement manufacture in accordance with the present invention;

fig. 6 is an enlarged view of a portion B in fig. 1 of the vibrating screening apparatus for cement processing and the cement processing screening method thereof according to the present invention.

In the figure: the device comprises a shell 1, a sieve mesh group 2, a support frame 3, an expansion link 4, a moving plate 5, a dustproof sleeve 6, an incomplete gear 7, a conduction column 8, a rotating shaft 9, a connecting sleeve 10, a dustproof cover 11, a motor 12, a base 13, a rotating plate 14, a connecting door 15, a stirring roller 16, a limiting edge 17, a limiting sleeve 18, a connecting tooth 19 and a thrust ball bearing 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a vibrating screening device for cement processing, a connecting door 15 is clamped on a shell 1 and comprises a shell 1, a sieve pore group 2 and a support frame 3, the support frame 3 is fixedly connected on the shell 1, a plurality of sieve pore groups 2 are arranged on the circumference of the bottom wall of the shell 1 at equal intervals, a conduction mechanism is arranged below the sieve pore group 2, and a rotation mechanism is arranged above the sieve pore group 2;

slewing mechanism includes pivot 9, motor 12, base 13, a plurality of stirring roller 16, pivot 9 passes through the bearing and rotates with casing 1 to be connected, a plurality of stirring roller 16 pass through stop gear and connect on

pivot

9, 13 fixed connection of base is on

support frame

3, 13 base and 12 fixed connection, the output shaft of motor 12 passes through the bearing transmission with motor 12 to be connected, rotate through motor 12, thereby drive stirring roller 16 and rotate, thereby carry out stirring removal to the lime stone in the casing 1, make the lime stone pass through the sieve mesh, so that kibbling lime stone sieves.

Conduction mechanism includes telescopic link 4, the movable plate 5, conduction column 8, equidistant fixedly connected with a plurality of conduction columns 8 on the movable plate 5, a plurality of conduction columns 8 are located sieve pore group 2 under, the number of conduction columns 8 equals with the number of sieve mesh in sieve pore group 2, fixedly connected with telescopic link 4 on the movable plate 5, be provided with coupling mechanism on the telescopic link 4, movable plate 5 is connected with the transmission of pivot 9 through drive mechanism, when sieving, extend through telescopic link 4, drive movable plate 5 upwards remove, thereby to lead in column 8 inserts in the sieve mesh, switch on the back to a sieve pore group 2, telescopic link 4 contracts, drive mechanism drives movable plate 5 and rotates, thereby drive conduction column 8 and rotate, make conduction column 8 be located next sieve pore group 2 under.

The transmission mechanism comprises an incomplete gear 7, a connecting sleeve 10 and a plurality of connecting teeth 19, the incomplete gear 7 is fixedly connected on a rotating shaft 9, the connecting sleeve 10 is fixedly connected with a movable plate 5, the connecting teeth 19 are fixedly connected on the inner annular wall of the connecting sleeve 10, the connecting teeth 19 are meshed with the incomplete gear 7, the ratio of the parts without connecting teeth to the parts with connecting teeth in the connecting sleeve 10 is equal to the number of the sieve hole groups, when the incomplete gear 7 is meshed with the connecting teeth 19, the connecting sleeve 10 is driven to rotate, when the incomplete gear 7 is separated from the connecting teeth 19, the connecting sleeve 10 does not rotate, so that the gap motion of the connecting sleeve 10 is realized, different sieve hole groups 2 are conducted, the conduction of sieve holes in the screening process is ensured, and the screening speed is ensured

The lower extreme fixedly connected with dirt proof boot 6 of casing 1, the internal diameter of dirt proof boot 6 is greater than the external diameter of adapter sleeve 10, and through adopting dust cover 6, the cover is established on adapter sleeve 10, plays the effect of cover to adapter sleeve 10, prevents when screening, and the granule of screening from dropping to adapter sleeve 10 in, the card influences the transmission between incomplete gear 7 and connection tooth 19.

The connecting mechanism comprises a rotating plate 14 and a thrust ball bearing 20, the inner axial surface of the thrust ball bearing 20 is fixedly connected with the base 13, the outer axial surface of the thrust ball bearing 20 is fixedly connected with the rotating plate 14, the rotating plate 14 is fixedly connected with the telescopic rod 4, and the thrust ball bearing 20 is adopted to connect the rotating plate 14, so that the connecting plate 14 can be ensured to rotate, and meanwhile, the load of axial force can also be carried out.

Fixedly connected with dust cover 11 is gone up in pivot 9, and dust cover 11 is located motor 12 directly over, and 11 upper ends of dust cover are round platform shape structure, lower extreme for cylindrical structure, play the effect of protection through adopting dust cover 11 to motor 12, and the granule that drops when having avoided the screening pounces motor 12 on, causes motor 12's damage.

Stop gear includes spacing arris 17, stop collar 18, the outer rampart and a plurality of stirring roller 16 fixed connection of stop collar 18, spacing arris 17 fixed connection is in pivot 9, the spacing groove has been seted up on the rampart in the stop collar 18, spacing arris 17 slidable sets up at the spacing inslot, cooperate with the spacing groove through adopting stop collar 18, so that stirring roller 1 can remove, when switching on, can extrude the granule that blocks up, will drive stirring roller 1 rebound, adopt fixed connection between stirring roller 16 and the pivot 9 has been avoided, because stopping of stirring roller 16, the condition that can't extrude the plug appears.

When in use, the crushed limestone is poured into the shell 1 and is rotated by the motor 12, thereby driving the stirring roller 16 to rotate, so as to stir and move the limestone in the shell 1, so that the crushed limestone can be screened, the incomplete gear 7 is separated from the connecting tooth 19, the telescopic rod 4 extends to drive the moving plate 5 to move upwards, so that the conduction column 8 is inserted into the sieve pore, the sieve holes are conducted, after the sieve hole groups 2 are conducted, the telescopic rod 4 is contracted, the incomplete gear 7 is meshed with the connecting teeth 19 at the moment, the connecting sleeve 10 is driven to rotate, the movable plate 5 is driven to rotate, thereby driving the conduction column 8 to rotate, leading the conduction column 8 to be positioned right below the next sieve pore group 2, the extension rod 4 is then extended and the cycle is repeated to conduct the different sets of screen holes 2.

The invention also provides a cement processing and screening method of the vibration screening equipment for cement processing, which is characterized by comprising the following steps of:

s1, putting the crushed limestone into the shell 1;

s2, turning on the motor 12, enabling the motor 12 to drive the rotating shaft 9 to rotate, enabling the rotating shaft 9 to drive the stirring roller 16 to rotate, and screening limestone;

s3, when screening is carried out, the telescopic rod 4 drives the moving plate 5 to move, the conduction column 8 is inserted into the sieve holes to be dredged, then the telescopic rod 4 is reset, the transmission mechanism drives the moving plate 5 to rotate, and the conduction column 8 rotates to be right below the plug of the next sieve hole group 2;

and S4, repeating the step S3 until screening.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The vibrating screening equipment for cement processing is characterized by comprising a shell (1), screen hole groups (2) and a support frame (3), wherein the support frame (3) is fixedly connected to the shell (1), a plurality of screen hole groups (2) are arranged on the bottom wall of the shell (1) at equal intervals on the circumference, a conduction mechanism is arranged below each screen hole group (2), and a rotating mechanism is arranged above each screen hole group (2);

the rotating mechanism comprises a rotating shaft (9), a motor (12), a base (13) and a plurality of stirring rollers (16), the rotating shaft (9) is rotatably connected with the shell (1) through a bearing, the plurality of stirring rollers (16) are connected to the rotating shaft (9) through a limiting mechanism, the base (13) is fixedly connected to the support frame (3), the base (13) is fixedly connected with the motor (12), and an output shaft of the motor (12) is in transmission connection with the motor (12) through a bearing;

the conduction mechanism comprises a telescopic rod (4), a movable plate (5) and conduction columns (8), the movable plate (5) is fixedly connected with a plurality of conduction columns (8) at equal intervals, the conduction columns (8) are located right below the sieve hole group (2), the number of the conduction columns (8) is equal to that of sieve holes in the sieve hole group (2), the telescopic rod (4) is fixedly connected onto the movable plate (5), a connecting mechanism is arranged on the telescopic rod (4), and the movable plate (5) is in transmission connection with the rotating shaft (9) through a transmission mechanism;

the transmission mechanism comprises an incomplete gear (7), a connecting sleeve (10) and a plurality of connecting teeth (19), the incomplete gear (7) is fixedly connected to the rotating shaft (9), the connecting sleeve (10) is fixedly connected with the moving plate (5), the connecting teeth (19) are fixedly connected to the inner annular wall of the connecting sleeve (10), and the connecting teeth (19) are meshed with the incomplete gear (7);

the lower end of the shell (1) is fixedly connected with a dustproof sleeve (6), and the inner diameter of the dustproof sleeve (6) is larger than the outer diameter of the connecting sleeve (10);

the connecting mechanism comprises a rotating plate (14) and a thrust ball bearing (20), the inner axial surface of the thrust ball bearing (20) is fixedly connected with the base (13), the outer axial surface of the thrust ball bearing (20) is fixedly connected with the rotating plate (14), and the rotating plate (14) is fixedly connected with the telescopic rod (4);

a dust cover (11) is fixedly connected to the rotating shaft (9), the dust cover (11) is positioned right above the motor (12), the upper end of the dust cover (11) is of a cone-shaped structure, and the lower end of the dust cover is of a cylindrical structure;

the limiting mechanism comprises a limiting edge (17) and a limiting sleeve (18), the outer annular wall of the limiting sleeve (18) is fixedly connected with the plurality of stirring rollers (16), the limiting edge (17) is fixedly connected onto the rotating shaft (9), a limiting groove is formed in the inner annular wall of the limiting sleeve (18), and the limiting edge (17) is arranged in the limiting groove in a sliding mode.

2. The method as claimed in claim 1, comprising the steps of:

s1, putting the crushed limestone into the shell (1);

s2, turning on the motor (12), enabling the motor (12) to drive the rotating shaft (9) to rotate, enabling the rotating shaft (9) to drive the stirring roller (16) to rotate, and screening limestone;

s3, when screening is carried out, the telescopic rod (4) drives the moving plate (5) to move, the conduction column (8) is inserted into the sieve holes to be dredged, then the telescopic rod (4) is reset, the transmission mechanism drives the moving plate (5) to rotate, and the conduction column (8) is made to rotate to be right below the next sieve hole group (2);

and S4, repeating the step S3 until the screening is finished.